1. Because there is a traffic jam, I cant come on time. .. 2. Do it now, or you will not finish it on time. .. 3. He often gets bad marks because he is lazy. .. 4. Do as I say, and everything will be fine. .. 5. He doesnt apply for the job because he doesnt have enough qualifications. ..

`1.` If there wasn't a traffic jam, I could come on time.

`2.` If you don't do it now, you won't finish it on time.

`3.` If he weren't lazy, he couldn't often get bad marks.

`4.` If you don't do as I say, everything won't be fine.

`5.` If he had enough qualification, he could apply for the job.

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Câu điều kiện loại `1`

`->` If + S + V, S + will/can/may (not) + V

Dùng khi điều kiện nói tới có thật, có thể xảy ra trong hiện tại/tương lai

Câu điều kiện loại `2`

`->` If + S + V-ed, S + would/could/should (not) + V1

Dùng khi điều kiện nói tới trái hiện tại